Home / 113,117.54-169,648.25-38,236.05

Finding the Fourth Proportional to 113,117.54, 169,648.25 and 38,236.05

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Solution

The fourth proportional to 113,117.54, 169,648.25 and 38,236.05 is: 57,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,117.54 : 169,648.25 = 38,236.05 : x
  2. Step 2: Convert to fraction form
    113,117.54/169,648.25 = 38,236.05/x
  3. Step 3: Cross multiply
    113,117.54x = 169,648.25 × 38,236.05
  4. Step 4: Simplify right side
    113,117.54x = 6,486,678,778.23
  5. Step 5: Solve for x
    x = 6,486,678,778.23/113,117.54
  6. Step 6: Final answer
    x = 57,344.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.